--- drivers/hwmon/adm1026.c

+++ drivers/hwmon/adm1026.c

@@ -919,27 +919,27 @@ static ssize_t set_fan_div(struct device

int nr = sensor_attr->index;

struct i2c_client *client = to_i2c_client(dev);

struct adm1026_data *data = i2c_get_clientdata(client);

- int val, orig_div, new_div, shift;

+ int val, orig_div, new_div;

val = simple_strtol(buf, NULL, 10);

new_div = DIV_TO_REG(val);

- if (new_div == 0) {

- return -EINVAL;

- }

+

mutex_lock(&data->update_lock);

orig_div = data->fan_div[nr];

data->fan_div[nr] = DIV_FROM_REG(new_div);

if (nr < 4) { /* 0 <= nr < 4 */

- shift = 2 * nr;

adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,

- ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |

- (new_div << shift)));

+ (DIV_TO_REG(data->fan_div[0]) << 0) |

+ (DIV_TO_REG(data->fan_div[1]) << 2) |

+ (DIV_TO_REG(data->fan_div[2]) << 4) |

+ (DIV_TO_REG(data->fan_div[3]) << 6));

} else { /* 3 < nr < 8 */

- shift = 2 * (nr - 4);

adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,

- ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |

- (new_div << shift)));

+ (DIV_TO_REG(data->fan_div[4]) << 0) |

+ (DIV_TO_REG(data->fan_div[5]) << 2) |

+ (DIV_TO_REG(data->fan_div[6]) << 4) |

+ (DIV_TO_REG(data->fan_div[7]) << 6));

}

if (data->fan_div[nr] != orig_div) {